ksm

#include <stdio.h>

void tukar(int *a, int *b){
int c=*a;
*a=*b;
*b=c;
}

int tambah(int a)
{
    return a+7;
}

void tambah1(int a){
printf("%d", a+7);
}

void tambah2(int *a){
*a=+6;
}
int main(){
int a;
a=5;
int b=7;
int *p=a;
printf("%d\n",p);//alamat p yaitu a
tukar(&a,&b); //tukar a dan b
printf("%i\n%i",a,b);
printf("%d",tambah(a)); //hasil 14
tambah1(a); //print 14 di void/procedure tambah1
tambah2(&a); //ubah nilai a jadi 13 di coid/procedure tambah2
printf("%d",a);
printf("%d",tambah(a)); //hasil 20 karena a udah jadi 13
printf("%d",a); // tetap 13
return 0;
}